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분수: 분모 2자리 덧셈5분수2

1
2 25
+
9 25
=
11 25
2
1 69
+
2 69
=
3 69
1
+
2
=
1 23
3
2 77
+
7 77
=
9 77
4
7 54
+
5 54
=
12 54
7
+
5
=
2 9
5
5 31
+
2 31
=
7 31
6
2 39
+
7 39
=
9 39
2
+
7
=
3 13
7
7 17
+
6 17
=
13 17
8
6 81
+
8 81
=
14 81
9
8 75
+
5 75
=
13 75
10
5 86
+
3 86
=
8 86
5
+
3
=
4 43
11
3 45
+
9 45
=
12 45
3
+
9
=
4 15
12
9 85
+
3 85
=
12 85
13
3 85
+
1 85
=
4 85
14
1 22
+
2 22
=
3 22
15
2 43
+
7 43
=
9 43